Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac duc chau snippets" » "cac duc hau snippets", "cac duoc chat snippets", "cac nuoc chau snippets", "cac du chau snippets", "cac dac chau snippets", "cao duc chau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac duc chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac duc chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac duc chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac duc chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.